Essays about: "Mercury"

Showing result 16 - 20 of 124 essays containing the word Mercury.

  1. 16. Mercury in Fossil Leaves as a Proxy for Tracking Large Igneous Province Volcanism

    University essay from Uppsala universitet/Institutionen för geovetenskaper

    Author : Johan Näslund; [2021]
    Keywords : ;

    Abstract : During some mass extinctions, usually minor, world oceans also underwent anoxic to euxinic conditions, events called Oceanic anoxic events (OAEs). Such an event unfolded during the Toarcian (∼183 Ma), called the T-OAE which is suggested to have been caused by Karoo-Ferrar Large Igneous Province (LIP) volcanism. READ MORE

  3. 17. Detecting illegal gold mining sites in the Amazon forest : Using Deep Learning to Classify Satellites Images

    University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Author : Nathan Labbe; [2021]
    Keywords : Deep Learning; Image Classification; Image Segmentation; Environmental Monitoring; Illegal Gold Mines Detection; Djupinlärning; bildklassificering; bildsegmentering; miljöövervakning; upptäckt av illegala guldgruvor;

    Abstract : Illegal gold mining in the Amazon forest has increased dramatically since 2005 with the rise in the price of gold. The use of chemicals such as mercury, which facilitate the gold extraction, increases the toxicity of the soil and can enter the food chain, leading to health problems for the inhabitants, and causes the environmental scourge we know today. READ MORE

  4. 18. Hydrological assessment and water management study in Norra Bunn With a focus on fish stock conservation

    University essay from Lunds universitet/Avdelningen för Teknisk vattenresurslära

    Author : Qianqian Li; [2021]
    Keywords : hydrological assessment; fish stocks conservation; Norra Bunn; water management; HYPE; Technology and Engineering;

    Abstract : Fokus för denna studie är att undersöka statusen för Norra Bunnsjön och de utmaningar den står inför idag med betoning på vattenresurshantering för ett bättre bevarande av fiskbestånden. För att uppnå målen genomfördes litteraturgranskningar, datainsamling från olika källor och vattenprovtagningar på plats. READ MORE

  5. 19. Biochar-based thin-layer capping of contaminated sediment in Burefjärden, northern Sweden : Assessment of biochar mixed into four structural materials for preventing release of trace elements from sediment to water

    University essay from Luleå tekniska universitet/Institutionen för samhällsbyggnad och naturresurser

    Author : Nathalie Pantzare; [2021]
    Keywords : biochar; contaminated sediment; remediation; thin-layer capping;

    Abstract : Coastal areas around the world have been recognized as largely impacted by anthropogenic activities resulting in pollution of marine sediments. In Sweden, surveys conducted along the coastline of the Bothnian Bay have identified a total area of about 29 km2 as fiber rich sediments. READ MORE

  6. 20. Methods for measuring mercury in gas ebullition from fiber banks : A literature study

    University essay from KTH/Hållbar utveckling, miljövetenskap och teknik

    Author : Diana Jonsson; [2021]
    Keywords : Fiber bank; fiber rich-sediment; mercury; contaminants; gas ebullition; pulp-fiber; wood industry; paper industry; environmental toxicity; wood waste;

    Abstract : Mercury contamination is an environmental issue with high priority due to its high toxicity. In addition to the atmospheric deposition, several lakes and rivers in Sweden are contaminated as a result from wood and pulp-fiber industries which stretches back 200 years. READ MORE